Our products range over six major series with more than 120 varieties, the main products include premelted hollow-particles series of continuous casting mold, die casting protective slag, drainage agent, ladle covering agent, tundish insulation residue absorption agent, shaped and unshaped refractory, refining deoxidizer, dephosphorizer, and desulfurizer, etc. The products are well sold to more than 130 domestic steel enterprises and many are exported to Philippines, Malaysia, Russia and other countries, which has been widespreadly praised. The product coverage has taken Tongyu group to the forefront of the field.